SAP Function BM_FUNCTION_VARIANT_MOD_DIALOG - Changing the name of a function variant in dialog

Parameter	Reference	Type	Length	Default	Optional	Text
FUN_VAR_ID	DF55L-SEL_ID	C	20

Parameter	Reference	Type	Length	Text
FUN_VAR_NAME	DF55T-NAME	C	100

Exception	Text
CANCELLED
NO_FUNCTION_VARIANT